dockerfiles: Add FLB_ENFORCE_ALIGNMENT variable

Signed-off-by: Shuichiro MAKIGAKI <shuichiro.makigaki@gmail.com>

Author: shuichiro-makigaki

dockerfiles/Dockerfile

@@ -28,6 +28,9 @@ ENV FLB_NIGHTLY_BUILD=$FLB_NIGHTLY_BUILD
 ARG FLB_CHUNK_TRACE=On
 ENV FLB_CHUNK_TRACE=${FLB_CHUNK_TRACE}
 
+ARG FLB_ENFORCE_ALIGNMENT=Off
+ENV FLB_ENFORCE_ALIGNMENT=${FLB_ENFORCE_ALIGNMENT}
+
 RUN mkdir -p /fluent-bit/bin /fluent-bit/etc /fluent-bit/log
 
 ENV DEBIAN_FRONTEND noninteractive
@@ -76,6 +79,7 @@ RUN cmake -DFLB_RELEASE=On \
     -DFLB_NIGHTLY_BUILD="$FLB_NIGHTLY_BUILD" \
     -DFLB_LOG_NO_CONTROL_CHARS=On \
     -DFLB_CHUNK_TRACE="$FLB_CHUNK_TRACE" \
+    -DFLB_ENFORCE_ALIGNMENT="$FLB_ENFORCE_ALIGNMENT" \
     ..
 
 RUN make -j "$(getconf _NPROCESSORS_ONLN)"